1209495-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1209495-12-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,4,9 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1209495-12:
(9*1)+(8*2)+(7*0)+(6*9)+(5*4)+(4*9)+(3*5)+(2*1)+(1*2)=154
154 % 10 = 4
So 1209495-12-4 is a valid CAS Registry Number.